GhostCalc vs Amend

GhostCalc is the companion app for the GhostCalc calculator — a hardware-modded TI-84 Plus with built-in AI assistance. Use this app to configure your GhostCalc WiFi connection via Bluetooth, so your calculator can send questions directly to an AI and receive answers on its screen. Features: Connect your GhostCalc to any WiFi network Secure BLE pairing Simple setup in seconds Note: Requires an GhostCalc calculator (available at ai84calc.com). This app is a hardware companion and requires the physical device to function.

Amend is an AI STEM tutor that works with your process, not just your final answer. Write each step on a whiteboard, get focused feedback, and turn your course materials into multi-step practice. PRACTICE BUILT AROUND YOUR COURSE Add a STEM subject or upload course materials. Move through structured lessons, create focused practice, and keep your work connected to what you are learning. SHOW YOUR WORK Solve problems with Apple Pencil, your finger, typed answers, or an attached homework image. Amend supports short multiple-choice answers as well as multi-step written work. GET FEEDBACK ON EACH STEP Amend can recognize handwritten work, evaluate intermediate reasoning, and explain where an answer went off track. Ask for voice help without leaving your workspace. KNOW WHAT TO REVIEW NEXT Track completed lessons and practice, review readiness estimates, and focus on the skills that need more attention. FEATURES • Handwritten and typed STEM practice • Multi-step problems shaped by courses and materials • Feedback connected to your working steps • Voice tutoring while you study • Progress and readiness estimates • Cross-device course and progress sync SUBJECTS Math, algebra, calculus, statistics, physics, chemistry, and discrete mathematics. AI-generated tutoring, grading, and readiness estimates can be wrong. Verify important results against your instructor and course materials. Amend does not guarantee grades or exam outcomes. Amend is for learners age 13 and older. Learners under 18 should use it with permission from a parent, guardian, school, or other responsible adult. Privacy: https://getamend.com/privacy Terms: https://getamend.com/terms Support: https://getamend.com/support